83 	struct rfcomm_dev *dev = container_of(port, struct rfcomm_dev, port);  in rfcomm_dev_destruct()  local
84 	struct rfcomm_dlc *dlc = dev->dlc;  in rfcomm_dev_destruct()
86 	BT_DBG("dev %p dlc %p", dev, dlc);  in rfcomm_dev_destruct()
90 	if (dlc->owner == dev)  in rfcomm_dev_destruct()
96 	if (dev->tty_dev)  in rfcomm_dev_destruct()
97 		tty_unregister_device(rfcomm_tty_driver, dev->id);  in rfcomm_dev_destruct()
100 	list_del(&dev->list);  in rfcomm_dev_destruct()
103 	kfree(dev);  in rfcomm_dev_destruct()
113 	struct rfcomm_dev *dev = container_of(port, struct rfcomm_dev, port);  in rfcomm_dev_activate()  local
116 	err = rfcomm_dlc_open(dev->dlc, &dev->src, &dev->dst, dev->channel);  in rfcomm_dev_activate()
125 	struct rfcomm_dev *dev = container_of(port, struct rfcomm_dev, port);  in rfcomm_dev_carrier_raised()  local
127 	return (dev->dlc->state == BT_CONNECTED);  in rfcomm_dev_carrier_raised()
133 	struct rfcomm_dev *dev = container_of(port, struct rfcomm_dev, port);  in rfcomm_dev_shutdown()  local
135 	if (dev->tty_dev->parent)  in rfcomm_dev_shutdown()
136 		device_move(dev->tty_dev, NULL, DPM_ORDER_DEV_LAST);  in rfcomm_dev_shutdown()
139 	rfcomm_dlc_close(dev->dlc, 0);  in rfcomm_dev_shutdown()
151 	struct rfcomm_dev *dev;  in __rfcomm_dev_lookup()  local
153 	list_for_each_entry(dev, &rfcomm_dev_list, list)  in __rfcomm_dev_lookup()
154 		if (dev->id == id)  in __rfcomm_dev_lookup()
155 			return dev;  in __rfcomm_dev_lookup()
162 	struct rfcomm_dev *dev;  in rfcomm_dev_get()  local
166 	dev = __rfcomm_dev_lookup(id);  in rfcomm_dev_get()
168 	if (dev && !tty_port_get(&dev->port))  in rfcomm_dev_get()
169 		dev = NULL;  in rfcomm_dev_get()
173 	return dev;  in rfcomm_dev_get()
176 static void rfcomm_reparent_device(struct rfcomm_dev *dev)  in rfcomm_reparent_device()  argument
181 	hdev = hci_get_route(&dev->dst, &dev->src);  in rfcomm_reparent_device()
189 	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &dev->dst);  in rfcomm_reparent_device()
194 	if (conn && device_is_registered(&conn->dev))  in rfcomm_reparent_device()
195 		device_move(dev->tty_dev, &conn->dev, DPM_ORDER_DEV_AFTER_PARENT);  in rfcomm_reparent_device()
203 	struct rfcomm_dev *dev = dev_get_drvdata(tty_dev);  in show_address()  local
204 	return sprintf(buf, "%pMR\n", &dev->dst);  in show_address()
209 	struct rfcomm_dev *dev = dev_get_drvdata(tty_dev);  in show_channel()  local
210 	return sprintf(buf, "%d\n", dev->channel);  in show_channel()
219 	struct rfcomm_dev *dev, *entry;  in __rfcomm_dev_add()  local
223 	dev = kzalloc(sizeof(struct rfcomm_dev), GFP_KERNEL);  in __rfcomm_dev_add()
224 	if (!dev)  in __rfcomm_dev_add()
230 		dev->id = 0;  in __rfcomm_dev_add()
233 			if (entry->id != dev->id)  in __rfcomm_dev_add()
236 			dev->id++;  in __rfcomm_dev_add()
240 		dev->id = req->dev_id;  in __rfcomm_dev_add()
243 			if (entry->id == dev->id) {  in __rfcomm_dev_add()
248 			if (entry->id > dev->id - 1)  in __rfcomm_dev_add()
255 	if ((dev->id < 0) || (dev->id > RFCOMM_MAX_DEV - 1)) {  in __rfcomm_dev_add()
260 	sprintf(dev->name, "rfcomm%d", dev->id);  in __rfcomm_dev_add()
262 	list_add(&dev->list, head);  in __rfcomm_dev_add()
264 	bacpy(&dev->src, &req->src);  in __rfcomm_dev_add()
265 	bacpy(&dev->dst, &req->dst);  in __rfcomm_dev_add()
266 	dev->channel = req->channel;  in __rfcomm_dev_add()
268 	dev->flags = req->flags &  in __rfcomm_dev_add()
271 	tty_port_init(&dev->port);  in __rfcomm_dev_add()
272 	dev->port.ops = &rfcomm_port_ops;  in __rfcomm_dev_add()
274 	skb_queue_head_init(&dev->pending);  in __rfcomm_dev_add()
288 			skb_queue_tail(&dev->pending, skb);  in __rfcomm_dev_add()
297 	dlc->owner = dev;  in __rfcomm_dev_add()
298 	dev->dlc   = dlc;  in __rfcomm_dev_add()
309 	return dev;  in __rfcomm_dev_add()
313 	kfree(dev);  in __rfcomm_dev_add()
319 	struct rfcomm_dev *dev;  in rfcomm_dev_add()  local
324 	dev = __rfcomm_dev_add(req, dlc);  in rfcomm_dev_add()
325 	if (IS_ERR(dev)) {  in rfcomm_dev_add()
327 		return PTR_ERR(dev);  in rfcomm_dev_add()
330 	tty = tty_port_register_device(&dev->port, rfcomm_tty_driver,  in rfcomm_dev_add()
331 			dev->id, NULL);  in rfcomm_dev_add()
333 		tty_port_put(&dev->port);  in rfcomm_dev_add()
337 	dev->tty_dev = tty;  in rfcomm_dev_add()
338 	rfcomm_reparent_device(dev);  in rfcomm_dev_add()
339 	dev_set_drvdata(dev->tty_dev, dev);  in rfcomm_dev_add()
341 	if (device_create_file(dev->tty_dev, &dev_attr_address) < 0)  in rfcomm_dev_add()
344 	if (device_create_file(dev->tty_dev, &dev_attr_channel) < 0)  in rfcomm_dev_add()
347 	return dev->id;  in rfcomm_dev_add()
351 static inline unsigned int rfcomm_room(struct rfcomm_dev *dev)  in rfcomm_room()  argument
353 	struct rfcomm_dlc *dlc = dev->dlc;  in rfcomm_room()
356 	int pending = 40 - atomic_read(&dev->wmem_alloc);  in rfcomm_room()
363 	struct rfcomm_dev *dev = (void *) skb->sk;  in rfcomm_wfree()  local
364 	atomic_dec(&dev->wmem_alloc);  in rfcomm_wfree()
365 	if (test_bit(RFCOMM_TTY_ATTACHED, &dev->flags))  in rfcomm_wfree()
366 		tty_port_tty_wakeup(&dev->port);  in rfcomm_wfree()
367 	tty_port_put(&dev->port);  in rfcomm_wfree()
370 static void rfcomm_set_owner_w(struct sk_buff *skb, struct rfcomm_dev *dev)  in rfcomm_set_owner_w()  argument
372 	tty_port_get(&dev->port);  in rfcomm_set_owner_w()
373 	atomic_inc(&dev->wmem_alloc);  in rfcomm_set_owner_w()
374 	skb->sk = (void *) dev;  in rfcomm_set_owner_w()
378 static struct sk_buff *rfcomm_wmalloc(struct rfcomm_dev *dev, unsigned long size, gfp_t priority)  in rfcomm_wmalloc()  argument
382 		rfcomm_set_owner_w(skb, dev);  in rfcomm_wmalloc()
441 	struct rfcomm_dev *dev;  in __rfcomm_release_dev()  local
449 	dev = rfcomm_dev_get(req.dev_id);  in __rfcomm_release_dev()
450 	if (!dev)  in __rfcomm_release_dev()
453 	if (dev->flags != NOCAP_FLAGS && !capable(CAP_NET_ADMIN)) {  in __rfcomm_release_dev()
454 		tty_port_put(&dev->port);  in __rfcomm_release_dev()
459 	if (test_and_set_bit(RFCOMM_DEV_RELEASED, &dev->status)) {  in __rfcomm_release_dev()
460 		tty_port_put(&dev->port);  in __rfcomm_release_dev()
465 		rfcomm_dlc_close(dev->dlc, 0);  in __rfcomm_release_dev()
468 	tty = tty_port_tty_get(&dev->port);  in __rfcomm_release_dev()
474 	if (!test_bit(RFCOMM_TTY_OWNED, &dev->status))  in __rfcomm_release_dev()
475 		tty_port_put(&dev->port);  in __rfcomm_release_dev()
477 	tty_port_put(&dev->port);  in __rfcomm_release_dev()
505 	struct rfcomm_dev *dev;  in rfcomm_get_dev_list()  local
529 	list_for_each_entry(dev, &rfcomm_dev_list, list) {  in rfcomm_get_dev_list()
530 		if (!tty_port_get(&dev->port))  in rfcomm_get_dev_list()
532 		(di + n)->id      = dev->id;  in rfcomm_get_dev_list()
533 		(di + n)->flags   = dev->flags;  in rfcomm_get_dev_list()
534 		(di + n)->state   = dev->dlc->state;  in rfcomm_get_dev_list()
535 		(di + n)->channel = dev->channel;  in rfcomm_get_dev_list()
536 		bacpy(&(di + n)->src, &dev->src);  in rfcomm_get_dev_list()
537 		bacpy(&(di + n)->dst, &dev->dst);  in rfcomm_get_dev_list()
538 		tty_port_put(&dev->port);  in rfcomm_get_dev_list()
556 	struct rfcomm_dev *dev;  in rfcomm_get_dev_info()  local
565 	dev = rfcomm_dev_get(di.id);  in rfcomm_get_dev_info()
566 	if (!dev)  in rfcomm_get_dev_info()
569 	di.flags   = dev->flags;  in rfcomm_get_dev_info()
570 	di.channel = dev->channel;  in rfcomm_get_dev_info()
571 	di.state   = dev->dlc->state;  in rfcomm_get_dev_info()
572 	bacpy(&di.src, &dev->src);  in rfcomm_get_dev_info()
573 	bacpy(&di.dst, &dev->dst);  in rfcomm_get_dev_info()
578 	tty_port_put(&dev->port);  in rfcomm_get_dev_info()
606 	struct rfcomm_dev *dev = dlc->owner;  in rfcomm_dev_data_ready()  local
608 	if (!dev) {  in rfcomm_dev_data_ready()
613 	if (!skb_queue_empty(&dev->pending)) {  in rfcomm_dev_data_ready()
614 		skb_queue_tail(&dev->pending, skb);  in rfcomm_dev_data_ready()
620 	tty_insert_flip_string(&dev->port, skb->data, skb->len);  in rfcomm_dev_data_ready()
621 	tty_flip_buffer_push(&dev->port);  in rfcomm_dev_data_ready()
628 	struct rfcomm_dev *dev = dlc->owner;  in rfcomm_dev_state_change()  local
629 	if (!dev)  in rfcomm_dev_state_change()
632 	BT_DBG("dlc %p dev %p err %d", dlc, dev, err);  in rfcomm_dev_state_change()
634 	dev->err = err;  in rfcomm_dev_state_change()
636 		rfcomm_reparent_device(dev);  in rfcomm_dev_state_change()
638 		wake_up_interruptible(&dev->port.open_wait);  in rfcomm_dev_state_change()
640 		tty_port_tty_hangup(&dev->port, false);  in rfcomm_dev_state_change()
645 	struct rfcomm_dev *dev = dlc->owner;  in rfcomm_dev_modem_status()  local
646 	if (!dev)  in rfcomm_dev_modem_status()
649 	BT_DBG("dlc %p dev %p v24_sig 0x%02x", dlc, dev, v24_sig);  in rfcomm_dev_modem_status()
651 	if ((dev->modem_status & TIOCM_CD) && !(v24_sig & RFCOMM_V24_DV))  in rfcomm_dev_modem_status()
652 		tty_port_tty_hangup(&dev->port, true);  in rfcomm_dev_modem_status()
654 	dev->modem_status =  in rfcomm_dev_modem_status()
662 static void rfcomm_tty_copy_pending(struct rfcomm_dev *dev)  in rfcomm_tty_copy_pending()  argument
667 	BT_DBG("dev %p", dev);  in rfcomm_tty_copy_pending()
669 	rfcomm_dlc_lock(dev->dlc);  in rfcomm_tty_copy_pending()
671 	while ((skb = skb_dequeue(&dev->pending))) {  in rfcomm_tty_copy_pending()
672 		inserted += tty_insert_flip_string(&dev->port, skb->data,  in rfcomm_tty_copy_pending()
677 	rfcomm_dlc_unlock(dev->dlc);  in rfcomm_tty_copy_pending()
680 		tty_flip_buffer_push(&dev->port);  in rfcomm_tty_copy_pending()
688 	struct rfcomm_dev *dev = tty->driver_data;  in rfcomm_tty_cleanup()  local
690 	clear_bit(RFCOMM_TTY_ATTACHED, &dev->flags);  in rfcomm_tty_cleanup()
692 	rfcomm_dlc_lock(dev->dlc);  in rfcomm_tty_cleanup()
694 	rfcomm_dlc_unlock(dev->dlc);  in rfcomm_tty_cleanup()
700 	skb_queue_purge(&dev->dlc->tx_queue);  in rfcomm_tty_cleanup()
702 	tty_port_put(&dev->port);  in rfcomm_tty_cleanup()
711 	struct rfcomm_dev *dev;  in rfcomm_tty_install()  local
715 	dev = rfcomm_dev_get(tty->index);  in rfcomm_tty_install()
716 	if (!dev)  in rfcomm_tty_install()
719 	dlc = dev->dlc;  in rfcomm_tty_install()
723 	tty->driver_data = dev;  in rfcomm_tty_install()
725 	set_bit(RFCOMM_TTY_ATTACHED, &dev->flags);  in rfcomm_tty_install()
728 	err = tty_port_install(&dev->port, driver, tty);  in rfcomm_tty_install()
739 	if (test_bit(RFCOMM_RELEASE_ONHUP, &dev->flags)) {  in rfcomm_tty_install()
740 		set_bit(RFCOMM_TTY_OWNED, &dev->status);  in rfcomm_tty_install()
741 		tty_port_put(&dev->port);  in rfcomm_tty_install()
749 	struct rfcomm_dev *dev = tty->driver_data;  in rfcomm_tty_open()  local
754 	BT_DBG("dev %p dst %pMR channel %d opened %d", dev, &dev->dst,  in rfcomm_tty_open()
755 	       dev->channel, dev->port.count);  in rfcomm_tty_open()
757 	err = tty_port_open(&dev->port, tty, filp);  in rfcomm_tty_open()
766 	rfcomm_tty_copy_pending(dev);  in rfcomm_tty_open()
768 	rfcomm_dlc_unthrottle(dev->dlc);  in rfcomm_tty_open()
775 	struct rfcomm_dev *dev = (struct rfcomm_dev *) tty->driver_data;  in rfcomm_tty_close()  local
777 	BT_DBG("tty %p dev %p dlc %p opened %d", tty, dev, dev->dlc,  in rfcomm_tty_close()
778 						dev->port.count);  in rfcomm_tty_close()
780 	tty_port_close(&dev->port, tty, filp);  in rfcomm_tty_close()
785 	struct rfcomm_dev *dev = (struct rfcomm_dev *) tty->driver_data;  in rfcomm_tty_write()  local
786 	struct rfcomm_dlc *dlc = dev->dlc;  in rfcomm_tty_write()
795 		skb = rfcomm_wmalloc(dev, size + RFCOMM_SKB_RESERVE, GFP_ATOMIC);  in rfcomm_tty_write()
814 	struct rfcomm_dev *dev = (struct rfcomm_dev *) tty->driver_data;  in rfcomm_tty_write_room()  local
817 	if (dev && dev->dlc)  in rfcomm_tty_write_room()
818 		room = rfcomm_room(dev);  in rfcomm_tty_write_room()
879 	struct rfcomm_dev *dev = (struct rfcomm_dev *) tty->driver_data;  in rfcomm_tty_set_termios()  local
883 	if (!dev || !dev->dlc || !dev->dlc->session)  in rfcomm_tty_set_termios()
1004 		rfcomm_send_rpn(dev->dlc->session, 1, dev->dlc->dlci, baud,  in rfcomm_tty_set_termios()
1011 	struct rfcomm_dev *dev = (struct rfcomm_dev *) tty->driver_data;  in rfcomm_tty_throttle()  local
1013 	BT_DBG("tty %p dev %p", tty, dev);  in rfcomm_tty_throttle()
1015 	rfcomm_dlc_throttle(dev->dlc);  in rfcomm_tty_throttle()
1020 	struct rfcomm_dev *dev = (struct rfcomm_dev *) tty->driver_data;  in rfcomm_tty_unthrottle()  local
1022 	BT_DBG("tty %p dev %p", tty, dev);  in rfcomm_tty_unthrottle()
1024 	rfcomm_dlc_unthrottle(dev->dlc);  in rfcomm_tty_unthrottle()
1029 	struct rfcomm_dev *dev = (struct rfcomm_dev *) tty->driver_data;  in rfcomm_tty_chars_in_buffer()  local
1031 	BT_DBG("tty %p dev %p", tty, dev);  in rfcomm_tty_chars_in_buffer()
1033 	if (!dev || !dev->dlc)  in rfcomm_tty_chars_in_buffer()
1036 	if (!skb_queue_empty(&dev->dlc->tx_queue))  in rfcomm_tty_chars_in_buffer()
1037 		return dev->dlc->mtu;  in rfcomm_tty_chars_in_buffer()
1044 	struct rfcomm_dev *dev = (struct rfcomm_dev *) tty->driver_data;  in rfcomm_tty_flush_buffer()  local
1046 	BT_DBG("tty %p dev %p", tty, dev);  in rfcomm_tty_flush_buffer()
1048 	if (!dev || !dev->dlc)  in rfcomm_tty_flush_buffer()
1051 	skb_queue_purge(&dev->dlc->tx_queue);  in rfcomm_tty_flush_buffer()
1067 	struct rfcomm_dev *dev = (struct rfcomm_dev *) tty->driver_data;  in rfcomm_tty_hangup()  local
1069 	BT_DBG("tty %p dev %p", tty, dev);  in rfcomm_tty_hangup()
1071 	tty_port_hangup(&dev->port);  in rfcomm_tty_hangup()
1076 	struct rfcomm_dev *dev = (struct rfcomm_dev *) tty->driver_data;  in rfcomm_tty_tiocmget()  local
1078 	BT_DBG("tty %p dev %p", tty, dev);  in rfcomm_tty_tiocmget()
1080 	return dev->modem_status;  in rfcomm_tty_tiocmget()
1085 	struct rfcomm_dev *dev = (struct rfcomm_dev *) tty->driver_data;  in rfcomm_tty_tiocmset()  local
1086 	struct rfcomm_dlc *dlc = dev->dlc;  in rfcomm_tty_tiocmset()
1089 	BT_DBG("tty %p dev %p set 0x%02x clear 0x%02x", tty, dev, set, clear);  in rfcomm_tty_tiocmset()